<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<SCRIPT type=text/javascript src="jquery-1.7.2.js"></SCRIPT>
 
</head>
<body style="background-color: red">

<select  >
<option value='0'>0</option>
<option value='01'>01</option>
<option value='011'>011</option>
<option value='1011'>1011</option>
</select>
<input type="button"   value="电死我" />
<iframe id="leveltwoiframe" src="frame2.html"></iframe>
</body>
</html>